Popsugar Entertainment Halloween Costumes 2018 Superhero Costume Ideas 2018 Get Ready to Save the Day With One of These 50 Superhero Halloween Costume Ideas 24 October 2018 by Mekishana Pierre View On One Page Photo 9 of 50 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 White Canary From DC's Legends of Tomorrow What to wear: A white bodysuit under a white jacket or white jeans and a white corset top under a white jacket. Slick your hair back and pair your outfit with white sneakers. Previous Next Start Slideshow Halloween Costumes 2018DCJustice LeaguePop Culture Halloween CostumesMarvelBlack PantherMoviesThe AvengersTV